510(k) · Cleared
ClearedThe Notal Vision Preview Preferential Hyperacuity Perimeter (Preview PHP)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Notal Vision, Inc. · HPT Perimeter, Automatic, Ac-Powered
Cleared on Apr 29, 2005 as substantially equivalent to K954167 (Carl Zeiss, Inc., 1995) and 3 other predicates after a 77-day review. Its family tree reaches back 1 generation to 1984. 5 later devices descend from it.
- Decided
- Apr 29, 2005
- Review
- 77 days
- Class
- Class I
- Product code
- HPT
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 1 generation to K841099 (1984). 4 ancestors in all. 5 later devices descend from it, 1 citing it directly.
- Root · 1 generation backK841099 Octopus 500/500ECilco, Inc. · 1984
- This deviceK050350 The Notal Vision Preview Preferential Hyperacuity Perimeter (Preview…Notal Vision, Inc. · 2005
- Descendant · cites it directly · 4 of its ownK091579 Foresee HomeNotal Vision, Ltd. · 2009
- Descendant · 2 generations on · 3 of its ownK121738 Myvisiontrack (TM)Vital Art and Science Incorporated · 2013
- Descendant · 3 generations on · 2 of its ownK143211 myVision Track Model 005Vital Art and Science Incorporated · 2015
- Descendant · 4 generations on · 1 of its ownK180895 AlleyeOculocare Medical AG · 2018
- Descendant · 5 generations on · 0 of its ownK203594 EyeCTesterNeuro-Eye Diagnostic Systems, LLC · 2022
Most influential descendants
Showing 5 of 5 · See all- K091579Foresee HomeNotal Vision, Ltd. · 2009 · cites it directly4descendants
- K121738Myvisiontrack (TM)Vital Art and Science Incorporated · 2013 · 2 generations on3descendants
- K143211myVision Track Model 005Vital Art and Science Incorporated · 2015 · 3 generations on2descendants
- K180895AlleyeOculocare Medical AG · 2018 · 4 generations on1descendant
- K203594EyeCTesterNeuro-Eye Diagnostic Systems, LLC · 2022 · 5 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K841099 | Octopus 500/500E | Cilco, Inc. | 1984 | — |
| 0 (this device) | K050350 | The Notal Vision Preview Preferential Hyperacuity Perimeter (Preview PHP) | Notal Vision, Inc. | 2005 | — |
| +1 | K091579 | Foresee Home | Notal Vision, Ltd. | 2009 | — |
| +2 | K121738 | Myvisiontrack (TM) | Vital Art and Science Incorporated | 2013 | — |
| +3 | K143211 | myVision Track Model 005 | Vital Art and Science Incorporated | 2015 | — |
| +4 | K180895 | Alleye | Oculocare Medical AG | 2018 | — |
| +5 | K203594 | EyeCTester | Neuro-Eye Diagnostic Systems, LLC | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
| 2002 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 0 |
| 2013 | 1 | 0 |
| 2015 | 1 | 0 |
| 2018 | 1 | 0 |
| 2022 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in HPT? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against? (5)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K954167 | Humphrey Field Analyzer (Hfa II)Summary page 2…nation of predicate medical devices: * Humphrey Field Analyzer: Perimeter, Automatic, AC-Powered, a class I Exempt medical device (21 CFR 886.1605); (K954167) Product Code HPT * Octopus 500/500e (21CFR 886.1605); (K841099) Product Code HPT. * The Heidelberg Retina Angiog… | 1995 |
| * | K841099 | Octopus 500/500ESummary page 2…: Perimeter, Automatic, AC-Powered, a class I Exempt medical device (21 CFR 886.1605); (K954167) Product Code HPT * Octopus 500/500e (21CFR 886.1605); (K841099) Product Code HPT. * The Heidelberg Retina Angiograph FA/ICGA (HRA/C), (Heidelberg Engineering, Germany) cleare… | 1984 |
| * | K971671 | Heidelberg Retina Angiograph FA/Icga (Hra/C)Summary page 2…/500e (21CFR 886.1605); (K841099) Product Code HPT. * The Heidelberg Retina Angiograph FA/ICGA (HRA/C), (Heidelberg Engineering, Germany) cleared under K971671; Product Code HLI * The Macular Computerized Psychophysical Test (MCPT), (Notal Vision, Inc.) cleared under K01… | 1997 |
| * | K014044 | Mascular Computerized Psychophysical Test (MCPT)Summary page 2…g, Germany) cleared under K971671; Product Code HLI * The Macular Computerized Psychophysical Test (MCPT), (Notal Vision, Inc.) cleared under K014044: Product Code HOC * Amsler Grid, a Class I Exempt Preamendments Medical Device (21 CFR 886.1330): Product Code… | 2002 |
| * | — | Amsler Grid Named without a submission number |
What descends from it? (5)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K091579 | Foresee Home | 2009 | 4 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
How does its category compare?
All HPT devicesHPT Perimeter, Automatic, Ac-Powered: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · HPT
2in 2010
2026 to Oct 25, outlined.
Median 510(k) review, days · HPT
Too few HPT 510(k)s in any year since 2007 to give a median.
Recalls per year · HPT
No recall names HPT since 2007.
Adverse event reports per year · HPT
1in 2023
MAUDE reports naming product code HPT, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 2 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 1 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 1 |
| 2023 | 0 | — | 0 | 1 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The PreView Preferential Hyperacuity Perimeter (PreView PHPTM) is intended for use in the detection and characterization of central and paracentral metamorphopsia (visual distortion) in patients with age-related macular degeneration, as an aid in monitoring progression of disease factors causing metamorphopsia including but not limited to choroidal neovascularization (CNV). It is intended to be used in the office of a licensed eye care practitioner in patients with stable fixation.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K050350 · printed Nov 6, 2026
Cite this page
510(k) Report. “K050350: The Notal Vision Preview Preferential Hyperacuity Perimeter (Preview PHP).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K050350
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026